SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for kts-academy.org.uk

Valid
Issued by (CA)
Sectigo Limited
Subject
*.kts-academy.org.uk
Valid from
Oct 25, 2026
Valid until
May 7, 2027 (178 days remaining)
Public key
RSA 2048-bit
Serial
2BBBD7E38CD8B899E4EAF998B4E793E6
SHA-256 fingerprint
C1:70:6B:47:7A:D6:A7:7C:0A:EF:1A:63:B0:00:B8:72:A3:6E:2D:31:B6:65:14:07:C1:0D:BE:A3:D3:F6:3D:C4
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.kts-academy.org.uk, kts-academy.org.uk

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.

This certificate has been served since Nov 1, 2026.

Never get surprised by kts-academy.org.uk's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch kts-academy.org.uk continuously, notifying you the moment anything moves across all three signals:

Certificate monitor showing the issuer, expiry date, chain status, fingerprint, covered names, and a history of a rotation and an expiry warning

Uptime

We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.

DNS changes

We watch NS, MX, CAA, CNAME, TXT and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.

TLS certificate

We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.

Monitor this certificate free

Free for your first domain: uptime, DNS, and certificate together. No credit card.